April 29, 2008

Steel connection design for structural integrity

By: Ronald Hamburger, Gustafson, Kurt, Cleland, Ned L.

Abstract: Since the terrorist attacks of September 11, 2001 and the collapse of three very tall buildings at New York's World Trade Center, some members of the public, building officials, legislators and engineers have stated a belief that...

April 29, 2008

Inelastic cyclic testing of the kaiser bolted bracket moment connection

By: Adan, Scott M., Gibb, William

Abstract: Developed by Steel Cast Connections, Lehigh University, and IFC Kaiser Engineers, the Kaiser bolted bracket (KBB) is a proprietary steel beam-to-column moment-resisting connection. The connection consists of cast high-strength steel...

March 30, 2008

Sill pan flashing for block-frame windows in recessed concrete openings-case studies

Abstract: Integrating sill pan window flashing can be challenging using block-frame windows or installing flashings within a recessed opening in a concrete wall. Two case studies summarize the details of design and retrofit installation for sill...

March 30, 2008

Durable, Sustainable Exteriors

Abstract: There seem to be as many wall types as there are definitions of "sustainable." Clearly, to be sustainable, the building wall must be durable - able to stand the test of time. Sustainable wall systems resist the effects of...

February 27, 2008

World Trade Center 5 Failure Analysis

By: Kevin LaMalva, Barnett, Jonathan R., Donald Dusenberry

Abstract: This article describes an analysis of the structural collapse that occurred in World Trade Center (WTC) building 5 due to fire exposure on 11 September 2001. It is hypothesized that the steel column-tree assembly failed during the...

January 30, 2008

Building Blocks (the Design and Construction of the New Museum of Contemporary Art)

By: Kevin Poulin, Sean OBrien, Schneider B. H.

Abstract: The new home of New York City's New Museum of Contemporary Art was designed as a unique and bold showcase for the museum's avant-garde permanent collection. The resulting design - which resembles a tall stack of offset boxes -...

January 30, 2008

Building Engineering & Construction|History of an Important Department at MIT

By: Werner Gumpertz

Abstract: This is a personal history. It tells a story from my memory; however, many important elements may be missing.|Engineering is as old as the hills, with fascinating examples from merely old or antique, to ancient (see Stonehenge). As an...

January 30, 2008

Analysis of Live Loads on Culverts

By: Peterson D.L., Li G., Nelson C., McGrath, Timothy J.

Abstract: AASHTO Standard and LRFD Specifications differ in the manner that live loads are spread through fill onto culvert structures. Standard Specifications apply surface point loads, and spread loads at the rate of 1.75 times depths. The LRFD...

December 30, 2007

Steelwise: Pushing the Envelope

By: James Parker, Alec Zimmer, Hewitt, Christopher M.

Abstract: One of the most challenging details facing structural designers is the support of a building façade. The complexity of this attachment is not to be overlooked, and the entire design team should be engaged in developing a strategy for...

December 30, 2007

Restoring the Pipeline: CFRP repair of large-diameter pressure pipes

Abstract: Buried, prestressed concrete cylinder pipelines (PCCP) are deteriorating in water utility infrastructure across the country. The use of liners that comprise carbon-fiber-reinforced polymers (CFRP) can provide numerous advantages,...